Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.675 5.353/6.144 5.766 ± 0.5687
ea02 1342 1342/1342 1342 ± 0 5.976 5.539/6.656 6.101 ± 0.6203
ea04 1342 1342/1342 1342 ± 0.000006867 5.334 4.99/5.937 5.507 ± 0.5776
ea05 1342 1342/1342 1342 ± 0 5.855 5.328/6.389 5.803 ± 0.6374
ea06 1342 1342/1342 1342 ± 0 5.172 4.862/5.504 5.197 ± 0.4045
ea07 1342 1342/1342 1342 ± 0 5.881 5.462/6.254 5.964 ± 0.5569
ea08 1342 1342/1342 1342 ± 0 5.939 5.701/6.785 6.228 ± 0.7205
ea09 1342 1342/1342 1342 ± 0 5.842 5.267/6.391 5.877 ± 0.6485
ea10 1342 1342/1342 1342 ± 0.000009564 5.855 5.416/6.707 6.036 ± 0.6909
ea11 1342 1342/1342 1342 ± 0 6.06 5.296/6.581 6.014 ± 0.7297
ea12 1342 1342/1342 1342 ± 0 5.316 5.266/5.537 5.437 ± 0.2321
ea13 1342 1342/1342 1342 ± 0 6.084 5.759/6.403 6.177 ± 0.5165
ea14 1342 1342/1342 1342 ± 0 5.947 5.269/6.38 5.852 ± 0.6478
ea15 1342 1342/1342 1342 ± 0 5.739 5.073/6.185 5.763 ± 0.7076
ea16 1342 1342/1342 1342 ± 0 6.171 5.584/6.691 6.15 ± 0.7224
ea17 1342 1342/1342 1342 ± 0.00000567 6.037 5.68/6.586 6.207 ± 0.6488
ea18 1342 1342/1342 1342 ± 0 5.161 4.775/5.636 5.203 ± 0.5047
ea19 1342 1342/1342 1342 ± 0 6.169 5.475/6.685 6.126 ± 0.6563
ea20 1342 1342/1342 1342 ± 0 6.049 5.699/6.745 6.212 ± 0.6627
ea21 1342 1342/1342 1342 ± 0 5.644 5.312/6.334 5.827 ± 0.5939
ea22 1342 1342/1342 1342 ± 0 5.485 5.29/6.266 5.785 ± 0.6419
ea23 1342 1342/1342 1342 ± 0 5.936 5.484/6.49 6.072 ± 0.69
ea25 1342 1342/1342 1342 ± 0 5.816 5.529/6.349 5.972 ± 0.608
ea26 1342 1342/1342 1342 ± 0 6.354 5.738/7.014 6.307 ± 0.6872
ea27 1342 1342/1342 1342 ± 0.00003875 5.651 5.352/6.506 5.843 ± 0.623
ea28 1342 1342/1342 1342 ± 0.00000121 5.809 5.5/6.58 6.009 ± 0.6747
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002359 5.555 5.289/5.735 5.494 ± 0.2675
3 1342 1342/1342 1342 ± 0.00002399 5.199 4.979/5.319 5.157 ± 0.2479
4 1342 1342/1342 1342 ± 0.00002827 5.218 5.086/5.36 5.227 ± 0.2944
5 1342 1342/1342 1342 ± 0.00002359 5.361 5.126/5.545 5.345 ± 0.3251
6 1342 1342/1342 1342 ± 0.00002403 5.395 5.133/5.489 5.349 ± 0.3036
7 1342 1342/1342 1342 ± 0.00002359 5.424 5.268/5.508 5.383 ± 0.2648
8 1342 1342/1342 1342 ± 0.00002359 5.439 5.182/5.544 5.359 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002359 5.686 5.463/5.932 5.656 ± 0.3342
10 1342 1342/1342 1342 ± 0.00002359 6.156 5.96/6.302 6.09 ± 0.336
11 1342 1342/1342 1342 ± 0.00002403 6.393 6.185/6.507 6.315 ± 0.3439
12 1342 1342/1342 1342 ± 0.0000245 6.56 6.371/6.693 6.477 ± 0.3659
13 1342 1342/1342 1342 ± 0.00002403 6.96 6.832/7.202 6.931 ± 0.3787
14 1342 1342/1342 1342 ± 0.00002403 7.209 6.937/7.306 7.085 ± 0.4108
15 1342 1342/1342 1342 ± 0.00002403 6.683 6.559/6.901 6.656 ± 0.3642
16 1342 1342/1342 1342 ± 0.00003342 5.96 5.86/6.136 5.992 ± 0.2895
17 1342 1342/1342 1342 ± 0.00003221 5.96 5.884/6.195 5.997 ± 0.2902
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 06:31:28.668
End
2024-05-01 07:22:39.140
Duration
0:51:10.472
Note, WebLog generation is not included in the time.

CASA logs for stage 7